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Using Advanced Bitmap Color Manipulation
Author: Jose Fernando | Website: www.fatorcaos.com.br |

Channel Manipulation

Note that you can also use negative values on the channels. For example:

This will invert all the channels - transforming its "brightness values" into, in fact, "darkness values" - and then pumping its values (that are now negative) up again by adding a 256 value to them (the maximum value a color channel can have). The result is an "inverse" image:

Many more manipulations can be done.

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